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# -*- coding: utf-8 -*-
"""Exceptions module for rfc3986."""
from . import compat
class RFC3986Exception(Exception):
"""Base class for all rfc3986 exception classes."""
pass
class InvalidAuthority(RFC3986Exception):
"""Exception when the authority string is invalid."""
def __init__(self, authority):
"""Initialize the exception with the invalid authority."""
super(InvalidAuthority, self).__init__(
u"The authority ({0}) is not valid.".format(
compat.to_str(authority)))
class InvalidPort(RFC3986Exception):
"""Exception when the port is invalid."""
def __init__(self, port):
"""Initialize the exception with the invalid port."""
super(InvalidPort, self).__init__(
'The port ("{0}") is not valid.'.format(port))
class ResolutionError(RFC3986Exception):
"""Exception to indicate a failure to resolve a URI."""
def __init__(self, uri):
"""Initialize the error with the failed URI."""
super(ResolutionError, self).__init__(
"{0} is not an absolute URI.".format(uri.unsplit()))
class ValidationError(RFC3986Exception):
"""Exception raised during Validation of a URI."""
pass
class MissingComponentError(ValidationError):
"""Exception raised when a required component is missing."""
def __init__(self, uri, *component_names):
"""Initialize the error with the missing component name."""
verb = 'was'
if len(component_names) > 1:
verb = 'were'
self.uri = uri
self.components = sorted(component_names)
components = ', '.join(self.components)
super(MissingComponentError, self).__init__(
"{} {} required but missing".format(components, verb),
uri,
self.components,
)
class UnpermittedComponentError(ValidationError):
"""Exception raised when a component has an unpermitted value."""
def __init__(self, component_name, component_value, allowed_values):
"""Initialize the error with the unpermitted component."""
super(UnpermittedComponentError, self).__init__(
"{} was required to be one of {!r} but was {!r}".format(
component_name, list(sorted(allowed_values)), component_value,
),
component_name,
component_value,
allowed_values,
)
self.component_name = component_name
self.component_value = component_value
self.allowed_values = allowed_values
class PasswordForbidden(ValidationError):
"""Exception raised when a URL has a password in the userinfo section."""
def __init__(self, uri):
"""Initialize the error with the URI that failed validation."""
unsplit = getattr(uri, 'unsplit', lambda: uri)
super(PasswordForbidden, self).__init__(
'"{}" contained a password when validation forbade it'.format(
unsplit()
)
)
self.uri = uri
class InvalidComponentsError(ValidationError):
"""Exception raised when one or more components are invalid."""
def __init__(self, uri, *component_names):
"""Initialize the error with the invalid component name(s)."""
verb = 'was'
if len(component_names) > 1:
verb = 'were'
self.uri = uri
self.components = sorted(component_names)
components = ', '.join(self.components)
super(InvalidComponentsError, self).__init__(
"{} {} found to be invalid".format(components, verb),
uri,
self.components,
)
class MissingDependencyError(RFC3986Exception):
"""Exception raised when an IRI is encoded without the 'idna' module."""
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